.left_nav {
    float: left;
    width: 300px;
    height: 710px;
}

.left_nav .left_iogistic {
    float: left;
    width: 60px;
    height: 100%;
    background-color: #B0D5E8;
}

.left_nav .left_coupon {
    float: left;
    width: 60px;
    height: 100%;
    background-color: #FFE3B3;
}

.left_nav .left_usercou {
    float: left;
    width: 60px;
    height: 100%;
    background-color: #B1CED2;
}

.left_nav .left_aftsale {
    float: left;
    width: 60px;
    height: 100%;
    background-color: #5A93AE;
}

.left_nav .right {
    float: left;
    width: 239px;
    height: 100%;
    background-color: #FCFCFD;
    border-right: 1px solid #DDDDDD;
}

.left_nav .right .search_txt {
    margin: 0 20px;
    width: 137px;
    height: 50px;
    font-size: 16px;
    line-height: 50px;
    font-family: "Microsoft YaHei";
    color: #333333;
}

.left_nav .right input {
    width: 199px;
    height: 36px;
    margin-left: 18px;
    border-radius: 36px;
    background-color: #F3F3F3;
    border: 1px solid #DDDDDD;
}

.left_nav .right input:hover {
    background-color: #FFFFFF;
}

.left_nav .right .work ul li {
    width: 111px;
}

.left_nav .right .work ul li .txtf {
    width: 100%;
    height: 34px;
    margin: 0 0 2px;
    line-height: 34px;
    padding: 8px 42px;
    font-size: 16px;
}

.left_nav .right .work ul li .txt {
    width: 100%;
    height: 34px;
    margin: 0 0 2px;
    line-height: 34px;
    padding: 8px 64px;
    font-size: 14px;
}

.left_nav .right .work ul li .txt:hover {
    background-color: #F3F3F3;
}

.left_nav .right .work {
    position: relative;
}

.imgf {
    position: absolute;
    width: 16px;
    height: 16px;
    top: 15px;
    left: 18px;
    background: url("../upload/project.png") no-repeat;
}

.png1 {
    float: left;
    width: 16px;
    height: 16px;
    margin-left: 40px;
    margin-top: 16px;
    background: url("../upload/logistics.png") no-repeat;
}

.png2 {
    float: left;
    width: 16px;
    height: 16px;
    margin-left: 40px;
    margin-top: 16px;
    background: url("../upload/coupon.png") no-repeat;
}

.png3 {
    float: left;
    width: 16px;
    height: 16px;
    margin-left: 40px;
    margin-top: 16px;
    background: url("../upload/userandcou.png") no-repeat;
}

.png4 {
    float: left;
    width: 16px;
    height: 16px;
    margin-left: 40px;
    margin-top: 16px;
    background: url("../upload/aftsale.png") no-repeat;
}

.header {
    width: 76.6911%;
    float: left;
}

.header .ht {
    float: left;
    height: 49px;
    width: 100%;
    background-color: #FCFCFD;
    border-bottom: 1px solid #EEEEEE;
}

.header .ht .title_name {
    width: 65px;
    float: left;
    padding-left: 50px;
    font-size: 16px;
    line-height: 49px;
    color: #333333;
    font-family: "Microsoft YaHei";
    background-color: #FCFCFD;
}

/*更改margin-left*/
.header .ht .work ul {
    float: left;
    margin-left: 290px;
}

.header .ht .work ul li {
    float: left;
    margin-right: 53px;
    line-height: 49px;
    font-size: 14px;
    color: #333333;
}

.header .ht .work ul li:first-child {
    font-family: "Microsoft YaHei";
}

.header  .header_content {
    float: left;
    width: 100%;
    height: 38px;
    background-color: #FCFCFD;
}

.header .header_content ul {
    margin-left: 52px;
}

.header .header_content ul li {
    float: left;
    line-height: 38px;
    margin-right: 23px;
}

.header .header_content ul li:nth-child(even) {
    color: #DDDDDD;
}

.content {
    float: left;
    width: 76.65%;
    height: 622px;
    background-color: #E8EDF7;
}
